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"sunburn" results from physical damage caused to your skin by overexposure to Ultraviolet emissions, usually from the sun but it can also come from a UV lamp. UV light affects damage to the DNA of your skin cells. In defense those cells will produce melanin, a chemical response to try to repair this damage, which also darkens the color of the skin ( a "sun tan").
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Is something that burns easily a physical or chemical change?
If you burn something it is a chemical change, however if you melt of boil it, it is a physical change.
Is flammable a physical change?
Flammability is not a physical change; it is a chemical property of a substance. It describes the ability of a material to ignite and burn in the presence of an ignition source. When a substance burns, it undergoes a chemical change, transforming into different substances such as gases and ash, which is distinct from a physical change that does not alter the chemical composition of the material.
If you burn paper is it physical change?
Burning paper is not a physical change; it is a chemical change. During combustion, the paper reacts with oxygen to produce new substances, such as ash, water vapor, and carbon dioxide. This process alters the chemical composition of the material, making it irreversible. In contrast, a physical change would not change the substance's chemical identity.
Does a physical property burn easy?
A physical property is something like color, size, and state. The substance still stays the same! A chemical property is a change in substance. Burning is a chemical property because if you burn a piece of wood, it is a new substance and you cant change it back to regular wood. It is usually very hard to change a chemical change BACK to its original substance. The answer to this is No
When a can is crushed does it go through a physical change or a chemical change?
Yes, a crushed can has chemical properties. They are the same as those of the can before crushing. Crushing a can is a physical reaction and not a chemical one. For instance, if a soup can is made of steel, the steel can be chemically attacked by something like sulfuric acid. And this is true whether the can is crushed or not.
Is gasoline's ability to burn a chemical or physical change?
Neither - but when it does burn it's a chemical change.
When you burn something is that a chemical or physical change?
depends on what you burn
Is ability to burn a physical or chemical?
burning of compounds is a chemical change.
Burning water chemical change or physical?
Burning is a chemical change but water doesn't burn.
Is something that burns easily a physical or chemical change?
If you burn something it is a chemical change, however if you melt of boil it, it is a physical change.
When candles burn do they experience a physical and chemical change?
yes
When you burn sugar you are left with carbon. Is that a chemical or physical change?
Chemical change. This is an incomplete combustion, reaction with O2.
When you burn a marshmallow is it chemical change or physical change?
Toasting a marshmallow is actually a chemical change. The marshmallow becomes black and crispy, it also no longer tastes the same. Thus, it is a chemical change.Roasting a marshmallow is an example of a chemical change. Generally when you heat food in the process of cooking, you will cause a chemical change.
How are a chemical and physical change different?
In a physical change, the substance is still the same substance after the change. But in a chemical change, the substance became another substance with different properties from the original substance.Physical change is changing the appearance of something. Example - Rip a piece of paper - physical change. Burn gasoline - chemical change.
In a candle explain both changes using the big idea of energy?
When a candle is burnt a physical AND chemical change takes place. Its a physical change when the wax is being melted because the chemical structure has not change, meaning it cannot be a chemical change. Its also a chemical change because you are burning the string. When you burn something the chemical structure DOES change, meaning it is a chemical change.
Is burning leaves a physical or chemical?
It is a chemical change anytime you burn something it will most likely be chemical change because something new comes out, for example when you burn the leaves you will get ash which is something the leaves did not have before! your welcome!:)
Is flammability of a substance is physical or chemical change?
Stating that something is flammable is stating a chemical property. But the actual burning would be a chemical change.
